As character names:

U+FA63 CJK COMPATIBILITY IDEOGRAPH-FA63 character (謹)

As raw characters:

謹

As a string of HTML entities:

謹

Decoder output:

Byte number 1 is decimal 240, hex 0xF0, octal \360, binary 11110000
This is the first byte of a 4 byte sequence.

Byte number 2 is decimal 143, hex 0x8F, octal \217, binary 10001111
This is continuation byte 1, expecting 2 more.

Byte number 3 is decimal 169, hex 0xA9, octal \251, binary 10101001
This is continuation byte 2, expecting 1 more.

Byte number 4 is decimal 163, hex 0xA3, octal \243, binary 10100011
This is continuation byte 3, expecting 0 more.

U+FA63	CJK COMPATIBILITY IDEOGRAPH-FA63
	: 8B39